Erbijsommen tot 20
Erbijsommen
|
1.
11 + 0 =
11
7
|
2.
17 + 1 =
18
5
|
3.
10 + 6 =
16
10
|
4.
5 + 3 =
4
8
|
|
5.
7 + 0 =
7
11
|
6.
7 + 3 =
7
10
|
7.
13 + 3 =
8
16
|
8.
19 + 0 =
19
3
|
|
9.
5 + 1 =
6
2
|
10.
11 + 8 =
2
19
|
11.
8 + 0 =
8
6
|
12.
19 + 0 =
19
9
|
|
13.
2 + 2 =
9
4
|
14.
16 + 0 =
5
16
|
15.
16 + 1 =
2
17
|
16.
18 + 0 =
18
2
|
|
17.
20 + 0 =
20
9
|
18.
9 + 1 =
12
10
|
19.
13 + 1 =
1
14
|
20.
13 + 4 =
12
17
|